Patents by Inventor Jean Leleu

Jean Leleu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4281707
    Abstract: The invention relates to a centrifugal casting machine, comprising on a base stand, a rotating assembly consisting of a mold, a bracket for stripping and releasing the casting. After solidification, the mold is opened by means of a plate movable vertically of the assembly and the upper part of the mold is gripped and transferred by the bracket straight above a position where the casting attached thereto is released. The mold is then closed again and rotated for the next casting.
    Type: Grant
    Filed: May 6, 1980
    Date of Patent: August 4, 1981
    Assignee: Etablissements A. Voisin
    Inventor: Jean Leleu